/** 
    
    This file is part of NxOgre.
    
    Copyright (c) 2009 Robin Southern, http://www.nxogre.org
    
    Permission is hereby granted, free of charge, to any person obtaining a copy
    of this software and associated documentation files (the "Software"), to deal
    in the Software without restriction, including without limitation the rights
    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    copies of the Software, and to permit persons to whom the Software is
    furnished to do so, subject to the following conditions:
    
    The above copyright notice and this permission notice shall be included in
    all copies or substantial portions of the Software.
    
    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    THE SOFTWARE.
    
*/

                                                                                       

#ifndef NXOGRE_PHYSXPARTICLEDATA_H
#define NXOGRE_PHYSXPARTICLEDATA_H

                                                                                       

#include "NxOgreStable.h"
#include "NxOgreCommon.h"


                                                                                       

namespace NxOgre
{

                                                                                       

/** \brief
*/
class NxOgrePublicClass PhysXParticleData : public ResourceAllocatable
{
  
  public: // Functions
  
  /** \brief Text
  */
  PhysXParticleData();
  
  /** \brief Text
  */
 ~PhysXParticleData();
  
  /** \internal Do not use in User App.
  */
  void  configure(size_t maxParticles, size_t modifier = 1);
  
  /** \internal Do not use in User App.
  */
  void  getParticleData(NxParticleData&);

  //Add by Harry(me ~@~)
  //When mUseUserData is true,then set the data of PhysXParticleData to DrawFluid
  void  setParticleData(const NxParticleData&);
  
  /** \brief
  */
  float*                   getPositions();
  
  /** \brief
  */
  float*                   getVelocities();
  
  /** \brief
  */
  float*                   getLives();
  
  /** \brief
  */
  float*                   getDensities();
  
  /** \brief
  */
  unsigned int*            getIds();
   
  /** \brief
  */
  unsigned int*            getFlags();
   
  /** \brief
  */
  float*                   getNormals();
  
  /** \brief
  */
  unsigned int             getNbParticles() const;

  unsigned int             getUserDefinedByteStride() const;	

  protected: // Variables
  
  unsigned int*            mNbParticles;
  
  buffer<float>            mPositions;
  
  buffer<float>            mVelocities;
  
  buffer<float>            mDensities;
  
  buffer<float>            mLives;
  
  buffer<unsigned int>     mIds;
  
  buffer<unsigned int>     mFlags;
  
  buffer<float>            mNormals;

  unsigned int             mUserDefinedByteStride;
  
}; // class PhysXParticleData


                                                                                       

} // namespace NxOgre

                                                                                       

#endif
